CN201896596U - Rotary type mud vibrating screen - Google Patents
Rotary type mud vibrating screen Download PDFInfo
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- CN201896596U CN201896596U CN2010202568990U CN201020256899U CN201896596U CN 201896596 U CN201896596 U CN 201896596U CN 2010202568990 U CN2010202568990 U CN 2010202568990U CN 201020256899 U CN201020256899 U CN 201020256899U CN 201896596 U CN201896596 U CN 201896596U
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Abstract
The utility model provides a rotary type mud vibrating screen, which comprises a base, a vibrating frame, a vibrating motor, a screen, a driving roll, and a driven roll, wherein the vibrating frame is arranged on the base through elastic parts, the vibrating motor is arranged on the vibrating frame, the screen is arranged in the vibrating frame, the driving roll is located at one side in the vibrating frame, both ends of the driving roll are respectively arranged at side walls of the vibrating frame, the driven roll is located at the other side in the vibrating frame, and both ends of the driven roll are respectively arranged at the side wall of the vibrating frame; the screen winds are around the driving roll and the driven roll to form a closed ring; the driving motor is connected with the driving roll to drive the driving roll to rotate and further to drive the mesh to do rotating movement. Compared with the traditional mud vibrating screen, the screen of the rotary type mud vibrating screen vibrates and rotates during filtering mud, mud can not stay on the upper screen surface, rock debris stayed on the working surface of the screen are timely removed through the rotating of the screen, so as to avoid the mud of high viscosity blocking screen holes and reduce the loss waste of drilling fluid.
Description
Technical field
The utility model relates to drilling well solid control equipment field, particularly a kind of mud vibrating screen.
Background technology
In the oil and gas well drilling process, drilling fluid is being played the part of important role, and its effect can reduce: protect hole wall, balance stratum soil pressure, cooling and lubricating drilling tool, effects such as shaft bottom power, fluid power detritus, foldback shaft bottom rock sample are provided.Usually, earlier drilling fluid is injected downhole drill bit by drilling rod, drilling fluid and the broken mixed mud of landwaste are drawn back aboveground, then the foreign material such as landwaste in the mud are filtered out, and reclaim drilling fluid so that reuse, the solid phase control procedure that Here it is often says.
The purpose of solid phase control is to control solids content of drilling fluid: both removed harmful solid phase, for example (following general designation landwaste) such as landwaste, sand, bad soil are preserved again and are used solid phase, for example barite, swell soil etc. simultaneously.Solid concentration is one of important performance parameter of drilling fluid, has only various solid concentrations in reasonable range, and property of drilling fluid could be stablized, the due function of competence exertion drilling fluid.The drilling fluid that below will comprise harmful solid phase abbreviates mud as, abbreviates the drilling fluid that includes after the filtration treatment with solid phase as drilling fluid.
Mud vibrating screen is the one-level solid control equipment in the drilling mud solid control system, and institute was with a large amount of landwaste so that mud enters the secondary separation equipment when processing separation was returned out from well by mud.
Traditional mud vibrating screen partly is made up of base, screen cloth, vibrating motor, spring and vibrating frame etc., and wherein, screen cloth is arranged in the vibrating frame, and along continuous straight runs is tightened, and vibrating frame is connected with base by spring, and vibrating motor is connected with vibrating frame.During mud vibrating screen work, the mud that is returned by the shaft bottom flows to screen surface by charging aperture, vibrating motor drives screen cloth with straight line or elliptical orbit double vibrations by vibrating frame, screen cloth be thrown and be shifted out to this vibration can by bigger landwaste with the granularity in the mud, and in remaining mud leaks down to flow to collection bucket in the base from screen cloth, enter subordinate's solid control equipment then and finish filtration, purification, reclaim drilling fluid mud.
This mud vibrating screen is when the too small regular meeting often of the sieve diameter of mud (the well section of mud stone) that runs into the comparison thickness or screen cloth generation paste net phenomenon; silt accumulates on the wire side and can not be thrown; if untimely cleaning; can stop up sieve aperture; cause to continue filtering; the drilling fluid following landwaste is drained, and causes waste.
Usually can use the problem that the bigger screen cloth in aperture avoids sticking with paste net instead, still, the mud behind this spline filter still has the part landwaste can not be separated, and needs further to pass through other equipment reprocessings, has reduced production efficiency.
The utility model content
The problem that the utility model solves is the filter effect that how to strengthen existing mud vibrating screen, enhances productivity.
For addressing the above problem, the utility model provides a kind of rotary type mud vibrating screen, comprising:
Base is installed in vibrating frame on the described base by elastomeric element, is arranged on the vibrating motor on the described vibrating frame, is arranged at the screen cloth in the described vibrating frame, also comprises:
Driven roller is positioned at described vibrating frame one side, and the two ends of described driven roller are installed in the sidewall of vibrating frame respectively;
Driven voller is positioned at described vibrating frame opposite side, and the two ends of described driven voller also are installed in the sidewall of vibrating frame respectively; Wherein, described screen cloth is surrounded on described driven roller and the driven voller, forms the endless belt of sealing;
Drive motors is connected with described driven roller, drives described driven roller and rotates, and then drive described screen cloth and do gyration.
Described screen cloth is under tensioning state, and the intermediate portion forms two wire sides of basic horizontal.
The determined plane of the axis of described driven roller and driven voller is basically parallel to two wire sides of screen cloth, and the diameter of driven roller and driven voller is basic identical.
The endless belt inboard of described screen cloth also is provided with at least two diagonal brace rollers, lays respectively at the side-lower of described driven roller and driven voller, makes the side of screen cloth form trapezoidal.
Described rotary type mud vibrating screen also comprises the governor motion of the endless belt inboard that is positioned at screen cloth;
Wherein, described governor motion comprises: with the guide rail that described driven voller two ends are connected, and the adjustment bolt that is connected with guide rail; This governor motion can make the position of driven voller with respect to the base translation, thereby adjusts the tension force of screen cloth.
Slipper seal between two sidewalls of described vibrating frame and the last wire side of screen cloth.
Described drive motors and/or vibrating motor are fire-proof motor; Drive the gyration that described drive motors is controlled screen cloth by frequency converter; Described drive motors is connected with described driven roller by shaft coupling, and described shaft coupling is a cudgel of three linked sections shaft coupling.
Described screen cloth comprises base net and the filter screen that is superimposed together, and with respect to filter screen, described base net is close to driven roller and driven voller.
Described base net is formed by many transverse steel wire and many vertical steel wire interlacings, and described transverse steel wire is basically parallel to the axis direction of driven roller or driven voller, and vertically steel wire is basically parallel to the gyratory directions of screen cloth.
The sieve aperture of described filter screen is less than the sieve aperture of base net, and filter screen is a strip, the ring-band shape that it centers on driven roller and driven voller and be spliced and sealed by its two minor face successively.
Compared with prior art, technique scheme has the following advantages:
With respect to traditional mud vibrating screen, the screen cloth of described rotary type mud vibrating screen is not fixedly to be tightened on the vibrating frame, but do gyration with respect to screen cloth, when filtering mud, not only vibrate but also turn round, so, mud can not be stagnated at work plane (promptly going up wire side), to stay the landwaste of screen cloth work plane after filtering in time drains by the screen cloth rotary action, screen cloth recovers cleaning automatically after turning over down wire side, avoid the higher mud of viscosity to stop up sieve aperture, thereby reduced the loss waste of drilling fluid.
And then, can be in the selection of sieve number (sieve diameter) freedom and flexibility more, can adopt the 80-250 mesh filter screen according to mud property and hole condition, needn't use the problem that the bigger screen cloth in aperture avoids sticking with paste net instead, can separate drilling fluid and landwaste fully, just need not further to handle, enhance productivity, also saved the cost of subordinate's solid control equipment simultaneously by subordinate's solid control equipment.
Description of drawings
Shown in accompanying drawing, above-mentioned and other purpose, feature and advantage of the present utility model will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present utility model by real size equal proportion convergent-divergent.
Fig. 1 is the front view of rotary type mud vibrating screen among the embodiment one;
Fig. 2 is the lateral view of rotary type mud vibrating screen shown in Figure 1;
Fig. 3 is the vertical view of rotary type mud vibrating screen shown in Figure 1;
Fig. 4 is the mesh structure schematic diagram of rotary type mud vibrating screen shown in Figure 1;
Fig. 5 is the sectional view of screen cloth shown in Figure 4 along the B-B line;
Fig. 6 is the schematic diagram of rotary type mud vibrating screen guiding mechanism among the embodiment two;
Fig. 7 is the partial structurtes schematic diagram of the base net of rotary type mud vibrating screen screen cloth among the embodiment two;
Fig. 8 be among the embodiment three the rotary type mud vibrating screen along the sectional view of driven roller diameter;
Fig. 9 is the vertical view of screen cloth shown in Fig. 8.
The drawing reference numeral explanation:
1: base 2: elastomeric element 3,3 ': screen cloth
31: go up wire side 32: following wire side 33: base net
34: filter screen 35: transverse steel wire 36: vertical steel wire
4,4 ': driven roller 5: driven voller 6: carrying roller
7: diagonal brace roller 8: backing roll 9: vibrating frame
91: end face 92: sidewall 10: vibrating motor
11: collection bucket 12: collecting pipe 13: charging aperture
14: discharging opening 15: drive motors 16: guide rail
17: adjust bolt 18: shaft coupling 20: sprocket wheel
21: chain 201: sprocket 211: space
45: depressed part 451: raceway groove 37: lug boss
371: salient point
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, the specific embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.
A lot of details have been set forth in the following description so that fully understand the utility model, but the utility model can also adopt other to be different from alternate manner described here and implement, so the utility model is not subjected to the restriction of following public specific embodiment.
Secondly, the utility model is described in detail in conjunction with schematic diagram, when the utility model embodiment is described in detail in detail; for ease of explanation; the sectional drawing of indication device structure can be disobeyed general ratio and be done local the amplification, and described schematic diagram is example, and it should not limit the scope of the utility model protection at this.In addition, in actual fabrication, should comprise the three dimensions size of length, width and the degree of depth, describe below in conjunction with accompanying drawing.
Embodiment one
Fig. 1 is the front view of the rotary type mud vibrating screen of present embodiment, and Fig. 2 is the lateral view of rotary type mud vibrating screen shown in Figure 1, and Fig. 3 is the vertical view of rotary type mud vibrating screen shown in Figure 1.
As shown in Figures 1 to 3, the rotary type mud vibrating screen comprises: base 1, be installed in vibrating frame 9 on the described base 1 by elastomeric element 2, and be arranged on the vibrating motor 10 on the described vibrating frame 9, be arranged at the screen cloth 3 of described vibrating frame 9 inside.
Wherein, vibrating frame 9 is semi-enclosed framework, comprise end face 91 and two sidewalls 92, the cross section of this framework is " ∏ " shape, screen cloth 3 is housed in semi-enclosed framework inside, end face 91 is substantially parallel with the work plane of screen cloth 3, and vibrating motor 10 is installed on the end face 91 of vibrating frame 9, is used for 9 vibrations of excited vibration frame.Elastomeric element 2 for example is a spring.As shown in Figure 3, four springs are separately positioned near four jiaos of rectangle vibrating frame, and an end of spring is fixed in base 1, and the other end is fixedlyed connected (see figure 1) with vibrating frame 9.
Described rotary type mud vibrating screen also comprises: is positioned at the driven roller 4 of described vibrating frame 9 inner sides, is positioned at the driven voller 5 of described vibrating frame 9 inner opposite sides, and the drive motors 15 that is connected with described driven roller 4.
Wherein, the two ends of described driven roller 4 are installed in the sidewall 92 of vibrating frame 9 respectively, and the two ends of described driven voller 5 also are installed in the sidewall 92 of vibrating frame 9 respectively; Driven roller 4 and driven voller 5 all are connected in sidewall 92 by the bearing (not shown), and the axis of driven roller 4 and driven voller 5 is parallel to each other.
Drive motors 15 is used to drive described driven roller 4 around its axis rotation; Driven roller 4 drives screen cloth 3 and rotates under the effect of stiction, screen cloth 3 and then drive driven voller 5 rotate, thereby realize that screen cloth 3 is around the gyration in vibrating frame 9 inside of driven roller 4 and driven voller 5, go up wire side 31 and following wire side 32 maintenance levels in the gyration process, last wire side 31 can turn to down the position of wire side 32, and following wire side 32 also can turn to the position of wire side 31.
The endless belt inboard of screen cloth 3 is provided with collection bucket 11, be positioned at wire side 31 below, collection bucket 11 is connected with mud collecting pipe 12, the mud after wire side 31 filters on the process flows into collection bucket 11 and is reclaimed by collecting pipe 12.
Preferably, the endless belt inboard of screen cloth 3 also is provided with a plurality of carrying rollers 6, and along the soffit parallel array of last wire side 31, the two ends of each carrying roller 6 also are installed in the sidewall 92 of vibrosieve 9,6 pairs of screen clothes 3 of these carrying rollers are played a supporting role, and form effective work plane to keep wire side 31.In addition, the outside of the following wire side 32 of screen cloth 3 also is provided with at least two backing rolls 8, and the edge is the soffit parallel array of wire side 32 down, plays a supporting role equally, prevents that 3 times wire sides of screen cloth 32 are damaged with base 1 friction.
Preferably, the endless belt inboard of screen cloth 3 also is provided with at least two diagonal brace rollers 7, lays respectively at the side-lower of driven roller 4 and driven voller 5, makes that the side formation of screen cloth 3 is trapezoidal, stays enough spaces for collection bucket 11 is set.
Have spacing between the end face 91 of vibrating frame 9 and the screen cloth 3, slipper seal between the last wire side 31 of two sidewalls 92 and screen cloth 3 spills to prevent mud.Vibrating frame 9 is a charging aperture 13 near the opening of driven roller 4 one sides, is used to flow into mud, and the opening of vibrating frame 9 close driven voller 5 one sides is a discharging opening 14, is used for the landwaste after filtering is discharged.
Drive motors 15 is installed in vibrating frame 9 outside positions near driven roller 4, described drive motors 15 is connected with the bearing of driven roller 4 by shaft coupling 18, described shaft coupling 18 is preferably cudgel of three linked sections shaft coupling, with respect to coupling with rubber type element, the degree of freedom of cudgel of three linked sections shaft coupling is bigger, can guarantee both ends horizontal.The position of driven roller 4 and driven voller 5 can exchange, and that is to say, when drive motors 15 connected driven voller 5, this driven voller 5 was just as driven roller, and vice versa.
Fig. 4 is the structural representation of screen cloth shown in Fig. 1, Fig. 5 is that screen cloth shown in Fig. 4 is along the sectional view of B-B line, as shown in the figure, screen cloth 3 comprises base net 33 and the filter screen 34 that is superimposed together, base net 33 is positioned at the inboard, and filter screen 34 is positioned at the surface, in other words, with respect to filter screen 34, base net 33 is close to driven roller and driven voller; The sieve aperture of described filter screen 34 is less than the sieve aperture of base net 33, and filter screen 34 is used to filter mud (the order number of filter screen is promptly represented the order number of screen cloth), and according to mud property and realistic well condition, filter screen 34 can adopt for example 80-250 order, and base net 33 can adopt the 16-20 order; Base net 33 is used for supporting and driving filter screen 34 gyrations.
In fact, base net 33 and filter screen 34 are strip, successively around the ring-band shape of overdriving roller and driven voller and being spliced and being sealed by two minor faces.And 34 liang of interlayers of base net 33 and filter screen are connected by hasp.
Described drive motors 15 and/or vibrating motor 10 are preferably fire-proof motor.Drive the gyration that described drive motors 15 is controlled screen cloth 3 by frequency converter.
Described rotary type vibrosieve comprises also and is positioned at screen cloth 3 inboard governor motions that described governor motion comprises: the guide rail 16 that is connected with driven voller 5 two ends, the adjustment bolt 17 that is connected with guide rail 16.This governor motion can make the position of driven voller 5 with respect to base 1 translation, thereby is used to adjust the tension force of screen cloth 3.
The operating principle of above-mentioned rotary type mud vibrating screen is as follows:
Choose the driven roller 4 and the driven voller 5 that are surrounded on vibrating frame 9 inside with the screen cloth 3 of realistic well condition coupling, under the incentive action of vibrating motor 10, vibrating frame 9 is according to specific movement locus vibration (similar with traditional vibrosieve), because driven roller 4 and driven voller 5 are installed in the vibrating frame 9, then screen cloth 3 is also followed the movement locus vibration of vibrating frame 9, meanwhile, drive motors 15 drives driven roller 4 and rotates, driven roller 4 drives screen cloth 3 and rotates under the effect of frictional force, screen cloth 3 and then drive driven voller 5 rotate, thereby realize that screen cloth 3 carries out gyration around driven roller 4 and driven voller 5 in vibrating frame 9.Mud is by on the screen cloth 3 in the charging aperture 13 inflow vibrating frames 9, vibration along with screen cloth 3, drilling fluid is flow in the collection bucket 11 by the sieve aperture by last wire side 31, the landwaste that granularity is bigger is then stayed wire side 31 on the screen cloth 3, the discharging opening 14 that turns to driven voller 5 one sides with screen cloth 3 falls, the residue landwaste that turns to down wire side 32 with screen cloth 3 will further be fallen by screen cloth 3 under the vibration effect of vibrating frame 9, thereby screen cloth 3 surfaces that turn to charging aperture 13 return to initial clean-up performance substantially, prepare to receive and filter the new mud that flows into, so circular flow.
This shows, with respect to traditional mud vibrating screen, the screen cloth of described rotary type mud vibrating screen is not fixedly to be tightened on the vibrating frame, but do gyration with respect to screen cloth, when filtering mud, not only vibrate but also turn round, so, mud can not be stagnated at work plane (promptly going up wire side), to stay the landwaste of screen cloth work plane after filtering in time drains by the screen cloth rotary action, screen cloth recovers cleaning automatically after turning over down wire side, avoid the higher mud of viscosity to stop up sieve aperture, thereby reduced the loss waste of drilling fluid.
So, freedom and flexibility more in the selection of sieve number (sieve diameter), for example can adopt 80-250 purpose filter screen according to mud property and hole condition, needn't use the problem that the bigger screen cloth in aperture avoids sticking with paste net instead, can separate drilling fluid and landwaste fully, just need not further to handle, enhance productivity, also saved the cost of subordinate's solid control equipment simultaneously by subordinate's solid control equipment.
Embodiment two
In actual moving process, screen cloth tends to take place sideslip or walks oblique phenomenon, that is to say, screen cloth can not rotate according to the direction that is parallel to the driven roller rotation fully and but be offset, thereby effect and equipment reliability of operation that influence is filtered also can cause sieve breakage, equipment fault when serious.
The inventor studies the back and finds, the reason of screen cloth sideslip is, screen cloth is done gyration and vibration simultaneously, rotating driving force around driven roller and driven voller is a stiction, and driven roller and driven voller vibrate according to specific track with vibrating frame, be subjected to the influence of this vibration, slippage may take place on the surface of driven roller and driven voller in screen cloth, thereby causes it to depart from rotation direction.Based on this, on the basis of embodiment one disclosed rotary type mud vibrating screen, the rotary type mud vibrating screen in the present embodiment also comprises guiding mechanism, to avoid the gyration sideslip of screen cloth around driven roller and driven voller.Describe in detail below in conjunction with accompanying drawing.
Described guiding mechanism comprises: depressed part that cooperatively interacts and lug boss.Described depressed part and lug boss are arranged at screen cloth, driven roller and driven voller respectively.The implication of described " cooperatively interacting " is the position correspondence of depressed part and lug boss, and lug boss can embed in the depressed part.Other structures of rotary type vibrosieve are identical with embodiment one in the present embodiment.
Fig. 6 is the schematic diagram of rotary type mud vibrating screen guiding mechanism in the present embodiment, and for clearly representing inventive point, Fig. 6 only illustrates among Fig. 2 the sectional view along driven roller diameter C-C; Fig. 7 is the partial structurtes schematic diagram of base net in the screen cloth.As shown in Figure 6, depressed part 45 is arranged at the surface of driven voller 5 and driven roller 4, lug boss 37 is arranged at the inner surface of screen cloth 3, the part (being the circular arc portion of endless belt screen cloth) that coincides at screen cloth 3 and driven roller 4 or driven voller 5, described lug boss 37 embeds in the described depressed part 45, thereby make the screen cloth 3 and the relative position on driven roller 4 or driven voller 5 surfaces fix, keep stiction, screen cloth 3 rotates along the movement locus that depressed part 45 is limited.
Preferably, described depressed part 45 comprises along a plurality of raceway grooves 451 of driven roller 4 and driven voller 5 excircle directions, and described a plurality of raceway grooves 451 are all along the surface that is arranged in driven voller 5 and driven roller 4 (gyratory directions A is the rotation direction of driven roller 4) that gyratory directions A is parallel to each other.The plane at raceway groove 451 places and the axis normal of driven roller 4.Described lug boss 37 comprises a plurality of salient points 371 of the inner surface of screen cloth 3, and described salient point 371 is arranged in screen cloth 3 inner surface (see figure 7)s along gyratory directions A, and the degree of depth of described raceway groove 451 is slightly larger than the height of described salient point 371.
As shown in Figure 7, salient point 371 is the part of transverse steel wire 35, can be distributed in the infall of transverse steel wire 35 and vertical steel wire 36, because vertically steel wire 36 is basically parallel to the gyratory directions A of screen cloth 3, many transverse steel wire 35 and many vertical steel wire 36 basic square crossing braidings, steel wire 36 arrangement at interval in fact along the longitudinal of then a plurality of salient points 371.Distance between driven roller 4 or the driven voller 5 surperficial adjacent channel 451 equals the distance between screen cloth 3 adjacent vertical steel wires 36.
So, when driven roller 4 drives screen cloth 3 rotations, screen cloth 3 inner surfaces contact with the external surface of driven roller 4 or driven voller 5, salient point 371 embeds in the raceway groove 451, thereby define the relative position between screen cloth 3 and driven roller 4 or the driven voller 5, raceway groove 451 is parallel to gyratory directions A, thereby the motion of screen cloth 3 can be limited to gyratory directions A, prevent the slippage of screen cloth 3, keep parallel with the rotation direction of driven roller 4, avoid screen cloth generation sideslip or walked oblique phenomenon, improved the equipment reliability of operation.
Among other embodiment of the present utility model, described depressed part can also be a plurality of concave points, described a plurality of concave point is arranged along driven roller and driven voller excircle direction, and the distance (arc length) between the adjacent concave point along the circumferential direction equals the distance between the adjacent salient point on the screen cloth.
Embodiment three
In the previous embodiment, the depressed part of guiding mechanism is arranged at the surface of driven voller and driven roller, and lug boss is arranged at the inner surface of screen cloth, and in the rotary type mud vibrating screen of present embodiment, the depressed part of guiding mechanism is arranged at screen cloth, and lug boss is arranged at driven voller and driven roller.Describe in detail below in conjunction with accompanying drawing.Fig. 8 is that the rotary type mud vibrating screen is along the sectional view of driven roller diameter in the present embodiment, and Fig. 9 is the vertical view of screen cloth among Fig. 8.
As shown in Figure 8, driven roller 4 ' and driven voller (not shown) two ends are provided with sprocket wheel 20, sprocket wheel 20 socket driven rollers 4 ' or driven voller surface, the dead in line of its axis and driven roller or driven voller, the edge of screen cloth 3 ' is provided with chain 21 (referring to Fig. 9), and when driven roller 4 ' rotated, sprocket wheel 20 rotated thereupon, chain 21 and described sprocket wheel 20 engagements, thus drive screen cloth 3 ' gyration.
In the present embodiment, the lug boss of guiding mechanism is the sprocket 201 of sprocket wheel, and depressed part is the space 211 (referring to Fig. 9) of chain link on the chain 21.Other structures of rotary type vibrosieve are identical with embodiment one in the present embodiment, repeat no more.
Need to prove, except above embodiment is cited, depressed part that cooperatively interacts in the guiding mechanism and lug boss also can be other forms, and in essence, the track that driven roller or driven voller depression in the surface portion rotate a week overlaps with the track that lug boss distributes on screen cloth.
According to the demand on the real well, the rotary type vibrosieve that the utility model provides can manufacture duplex or three and connect structure, connects corresponding feeder sleeve and drainage conduit, improves filter efficiency.
Though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model.Any those of ordinary skill in the art, do not breaking away under the technical solutions of the utility model scope situation, all can utilize the method and the technology contents of above-mentioned announcement that technical solutions of the utility model are made many possible changes and modification, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not break away from technical solutions of the utility model, all still belongs in the scope of technical solutions of the utility model protection any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present utility model.
Claims (10)
1. a rotary type mud vibrating screen is characterized in that, comprising: base, be installed in vibrating frame on the described base by elastomeric element, and be arranged on the vibrating motor on the described vibrating frame, be arranged at the screen cloth in the described vibrating frame, also comprise:
Driven roller is positioned at described vibrating frame one side, and the two ends of described driven roller are installed in the sidewall of vibrating frame respectively;
Driven voller is positioned at described vibrating frame opposite side, and the two ends of described driven voller also are installed in the sidewall of vibrating frame respectively; Wherein, described screen cloth is surrounded on described driven roller and the driven voller, forms the endless belt of sealing;
Drive motors is connected with described driven roller, drives described driven roller and rotates, and then drive described screen cloth and do gyration.
2. rotary type mud vibrating screen according to claim 1 is characterized in that, described screen cloth is under tensioning state, and the intermediate portion forms two wire sides of basic horizontal.
3. rotary type mud vibrating screen according to claim 2 is characterized in that, the determined plane of the axis of described driven roller and driven voller is basically parallel to two wire sides of screen cloth, and the diameter of driven roller and driven voller is basic identical.
4. according to each described rotary type mud vibrating screen of claim 1-3, it is characterized in that the endless belt inboard of described screen cloth also is provided with at least two diagonal brace rollers, lay respectively at the side-lower of described driven roller and driven voller, make the side of screen cloth form trapezoidal.
5. according to each described rotary type mud vibrating screen of claim 1-3, it is characterized in that, also comprise the governor motion of the endless belt inboard that is positioned at screen cloth;
Wherein, described governor motion comprises: with the guide rail that described driven voller two ends are connected, and the adjustment bolt that is connected with guide rail; This governor motion can make the position of driven voller with respect to the base translation, thereby adjusts the tension force of screen cloth.
6. according to each described rotary type mud vibrating screen of claim 2, it is characterized in that slipper seal between two sidewalls of described vibrating frame and the last wire side of screen cloth.
7. rotary type mud vibrating screen according to claim 1 is characterized in that, described drive motors and/or vibrating motor are fire-proof motor; Drive the gyration that described drive motors is controlled screen cloth by frequency converter; Described drive motors is connected with described driven roller by shaft coupling, and described shaft coupling is a cudgel of three linked sections shaft coupling.
8. rotary type mud vibrating screen according to claim 1 is characterized in that, described screen cloth comprises base net and the filter screen that is superimposed together, and with respect to filter screen, described base net is close to driven roller and driven voller.
9. rotary type mud vibrating screen according to claim 8, it is characterized in that, described base net is formed by many transverse steel wire and many vertical steel wire interlacings, and described transverse steel wire is basically parallel to the axis direction of driven roller or driven voller, and vertically steel wire is basically parallel to the gyratory directions of screen cloth.
10. according to Claim 8 or 9 described rotary type mud vibrating screens, it is characterized in that the sieve aperture of described filter screen is less than the sieve aperture of base net, filter screen is a strip, and it is successively around driven roller and driven voller and by the be spliced ring-band shape of sealing of its two minor face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202568990U CN201896596U (en) | 2010-07-14 | 2010-07-14 | Rotary type mud vibrating screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202568990U CN201896596U (en) | 2010-07-14 | 2010-07-14 | Rotary type mud vibrating screen |
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| Publication Number | Publication Date |
|---|---|
| CN201896596U true CN201896596U (en) | 2011-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202568990U Expired - Fee Related CN201896596U (en) | 2010-07-14 | 2010-07-14 | Rotary type mud vibrating screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658028A (en) * | 2013-12-28 | 2014-03-26 | 潍坊胜利石化机械有限公司 | Fine collection device for screening away gravel in mud |
-
2010
- 2010-07-14 CN CN2010202568990U patent/CN201896596U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103658028A (en) * | 2013-12-28 | 2014-03-26 | 潍坊胜利石化机械有限公司 | Fine collection device for screening away gravel in mud |
| CN103658028B (en) * | 2013-12-28 | 2015-12-30 | 潍坊胜利石化机械有限公司 | For screening out the selecting device of mud cobble-stone |
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